20678834

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{55291}}^1$

素因数の和:55321

約数の個数: 16

約数和(自身を含む): 35829216

約数和(自身を除く): 15150382

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 55291, 110582, 608201, 939947, 1216402, 1879894, 10339417, 20678834]

約数ペア:

[(1, 20678834), (2, 10339417), (11, 1879894), (17, 1216402), (22, 939947), (34, 608201), (187, 110582), (374, 55291)]